[libcxx-commits] [libcxx] [libc++][NFC] Simplify the implementation of equal a bit (PR #84754)

[Louis Dionne via libcxx-commits]

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@@ -132,34 +119,10 @@ __equal(_RandomAccessIterator1 __first1,
       __proj);
 }
 
-template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate>
-_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
-equal(_InputIterator1 __first1,
-      _InputIterator1 __last1,
-      _InputIterator2 __first2,
-      _InputIterator2 __last2,
-      _BinaryPredicate __pred) {
-  return std::__equal<_BinaryPredicate&>(
-      __first1,
-      __last1,
-      __first2,
-      __last2,
-      __pred,
-      typename iterator_traits<_InputIterator1>::iterator_category(),
-      typename iterator_traits<_InputIterator2>::iterator_category());
-}
-
 template <class _InputIterator1, class _InputIterator2>
 _LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
 equal(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) {
-  return std::__equal(
-      __first1,
-      __last1,
-      __first2,
-      __last2,
-      __equal_to(),
-      typename iterator_traits<_InputIterator1>::iterator_category(),
-      typename iterator_traits<_InputIterator2>::iterator_category());
+  return std::equal(__first1, __last1, __first2, __last2, __equal_to());
 }
 #endif
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ldionne wrote:

Maybe add a `// _LIBCPP_STD_VER >= 14` as a drive-by?

https://github.com/llvm/llvm-project/pull/84754